Leviticus 15:18-20

Common English Bible

¹⁸ If a man lies with a woman and has an emission of semen, both of them must bathe in water and will be unclean until evening.

Female genital emissions

¹⁹ Whenever a woman has a discharge of blood that is her normal bodily discharge, she will be unclean due to her menstruation for seven days. Anyone who touches her will be unclean until evening. ²⁰ Anything on which she lies or sits during her menstruation will be unclean.